`A(2 ,3) ,B(-1, 1)` are two points.If `P` is a point such that `/_APB=90^(@)` and the locus of `P` is `x^(2)+y^(2)-ax-by+1=0` then `|a+b|` is equal to

A(-9,0),B(-1,0) are two points.If P is a point such that PA:PB=3:1, then the locus of P is

A(2,3),B(1,5),C(-1,2)" are three points.If "P" is a point moves such that "PA^(2)+PB^(2)=2PC^(2)" ,then the locus of "P" is "

If A(a,0),B(-a,0) and /_APB=45^(@) then the locus of P is

A(0,0),B(1,2) are two points.If a point P moves such that te area of Delta PAB is 2sq . units then the locus of P is

A(1,2) and B(7,10) are two points.If P(x) is a point such that the angle APB is 60^(@) and the area of the triangle APB is maximum,then which of the following is (ar) true?

Let A and B be two points. What is the locus of the point P such that angle APB=90^@

If A(1,1),B(2,3),C(-1,1) are the points of P is a point such that the area of the qoints of P is a PABC is 3sq units then locus of P is

If A and B are two fixed points, then the locus of a point P, such that /_ APB = 90^(@)? is _______

A(4,0) , B(-4,0) are two points.If the locus of P which moves such that |PA-PB|=6 is ax^(2)+by^(2)-63=0 .Then |a+b| is equal to